21215226

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49801}}^1$

素因数の和:49877

約数の個数: 16

約数和(自身を含む): 43028928

約数和(自身を除く): 21813702

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49801, 99602, 149403, 298806, 3535871, 7071742, 10607613, 21215226]

約数ペア:

[(1, 21215226), (2, 10607613), (3, 7071742), (6, 3535871), (71, 298806), (142, 149403), (213, 99602), (426, 49801)]